201660612065675 has 12 divisors (see below), whose sum is σ = 285781895956176. Its totient is φ = 138281562559200.

The previous prime is 201660612065657. The next prime is 201660612065681. The reversal of 201660612065675 is 576560216066102.

It is not a de Polignac number, because 201660612065675 - 2³⁰ = 201659538323851 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 576173177156 + ... + 576173177505.

It is an arithmetic number, because the mean of its divisors is an integer number (23815157996348).

Almost surely, 2^{201660612065675} is an apocalyptic number.

201660612065675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

201660612065675 is a deficient number, since it is larger than the sum of its proper divisors (84121283890501).

201660612065675 is a wasteful number, since it uses less digits than its factorization.

201660612065675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152346354678 (or 1152346354673 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 53.

The spelling of 201660612065675 in words is "two hundred one trillion, six hundred sixty billion, six hundred twelve million, sixty-five thousand, six hundred seventy-five".